Applications of Bio-Resource Based Sustainable Heterogeneous Pd-Nanocatalyst for Cross-Coupling and Michael Addition Reactions DOI
Md. Shaharul Islam, Shaheen M. Sarkar, Md Lutfor Rahman

et al.

Published: Jan. 1, 2023

The development of efficient and cost-effective catalysts from renewable sources is crucial for sustainable chemistry. Herein, we developed a bio-heterogeneous Pd-nanocatalyst (PdNc@PA), by incorporating palladium nanoparticles into biodegradable kenaf-cellulose modified with poly(amidoxime) ligands. catalyst has demonstrated remarkable stability exceptional catalytic performance in range cross-coupling including Mizoroki-Heck, Suzuki-Miyaura, Tamejiro-Hiyama reactions inactivated aryl chlorides, resulting high yields the desired coupling products. Additionally, PdNc@PA was also found to be effective Michael addition reactions, producing N, S, O-alkylated products yields. Furthermore, robustness recoverability, allowing it reused across successive cycles without significant loss activity. This property makes an excellent candidate large-scale industrial applications. incorporation resources offers environmentally conscious alternative traditional synthetic approaches. research highlights potential utilizing materials as supports, which could significantly diminish environmental impact waste production. Moreover, study demonstrates versatility proficient reusable diverse array organic reactions. These discoveries provide encouraging pathway towards economically viable suitable

Language: Английский

Copper catalysed construction of C-P bond: C-H functionalization DOI

Rajnikant N. Ghoghari,

Kishor H. Chikhalia

Journal of Organometallic Chemistry, Journal Year: 2025, Volume and Issue: unknown, P. 123512 - 123512

Published: Jan. 1, 2025

Language: Английский

Citations

2
Application of sulfoxonium ylide in transition-metal-catalyzed C-H bond activation and functionalization reactions DOI
Anil Kumar, Mahadev Sharanappa Sherikar, Vinayak Hanchate

et al.

Tetrahedron, Journal Year: 2021, Volume and Issue: 101, P. 132478 - 132478

Published: Oct. 8, 2021

Language: Английский

Citations

71
C–H bond functionalization by high-valent cobalt catalysis: current progress, challenges and future perspectives DOI
Lukass Lukasevics, Aleksandrs Cizikovs, Liene Grigorjeva

et al.

Chemical Communications, Journal Year: 2021, Volume and Issue: 57(83), P. 10827 - 10841

Published: Jan. 1, 2021

Over the last decade, high-valent cobalt catalysis has earned a place in spotlight as valuable tool for C-H activation and functionalization. Since discovery of its unique reactivity, more attention been directed towards utilization an alternative to noble metal catalysts. In particular, Cp*Co(III) complexes, well simple Co(II) Co(III) salts combination with bidentate chelation assistance, have extensively used development novel transformations. this review, we demonstrated existing trends functionalization methodology using highlighted main challenges overcome, perspective directions, which need be further developed future.

Language: Английский

Citations

69
Iodonium ylides: an emerging and alternative carbene precursor for C–H functionalizations DOI
Sanjeev Kumar, Vaishnavi Borkar,

Mohd Mujahid

et al.

Organic & Biomolecular Chemistry, Journal Year: 2022, Volume and Issue: 21(1), P. 24 - 38

Published: Nov. 23, 2022

The metal-catalyzed successive activation and functionalization of arene/heteroarene is one the most fundamental transformations in organic synthesis leads to privileged scaffolds natural products, pharmaceuticals, agrochemicals, fine chemicals. Particularly, transition-metal-catalyzed C-H arenes with carbene precursors via metal migratory insertion has been well studied. As a result, diverse have evaluated, such as diazo compounds, sulfoxonium ylides, triazoles, etc. In addition, there significant developments use iodonium ylides recent years, these reactions proceed high efficiencies selectivities. This review provides comprehensive overview functionalizations, including scope, limitations, their potential synthetic applications.

Language: Английский

Citations

27
Applications of bio-resource based sustainable heterogeneous Pd-Nanocatalyst for Cross-Coupling and Michael addition reactions DOI Creative Commons
Md. Shaharul Islam, Shaheen M. Sarkar, Lutfor Rahman

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 483, P. 149271 - 149271

Published: Feb. 3, 2024

The development of efficient and cost-effective catalysts from renewable sources is crucial for sustainable chemistry. Herein, we developed a bio-heterogeneous Pd-nanocatalyst (PdNc@PA) by incorporating palladium nanoparticles into biodegradable kenaf-cellulose modified with poly(amidoxime) ligands. catalyst has demonstrated remarkable stability exceptional catalytic performance in range cross-coupling including Mizoroki-Heck, Suzuki-Miyaura, Tamejiro-Hiyama reactions inactivated aryl chlorides resulting high yields the desired coupling products. Additionally, PdNc@PA was also found to be effective Michael addition producing N, S, O-alkylated products yields. Furthermore, robustness recoverability allowing it reused across successive cycles without significant loss activity. incorporation resources offers an environmentally conscious alternative traditional synthetic approaches. This research highlights potential utilizing materials as supports, which could significantly diminish environmental impact waste production. Moreover, this study demonstrates versatility proficient reusable diverse array organic reactions. These discoveries provide encouraging pathway towards economically viable suitable industrial applications.

Language: Английский

Citations

5
Recent advances in directed sp2 C–H functionalization towards the synthesis of N-heterocycles and O-heterocycles DOI
Bhargav Desai,

Monak Patel,

Bharatkumar Z. Dholakiya

et al.

Chemical Communications, Journal Year: 2021, Volume and Issue: 57(70), P. 8699 - 8725

Published: Jan. 1, 2021

Metal catalyzed C–H functionalization is a convenient and powerful strategy to construct various N,O-heterocycles. This review highlights the recent breakthroughs in synthesis of N,O-heterocycles via directed sp 2 functionalization.

Language: Английский

Citations

32
Mechanistic insight into the electron-donation effect of modified ZIF-8 on Ru for CO2 hydrogenation to formic acid DOI
Xiaowei Hu,

Maowei Luo,

Mooeez Ur Rehman

et al.

Journal of CO2 Utilization, Journal Year: 2022, Volume and Issue: 60, P. 101992 - 101992

Published: March 28, 2022

Language: Английский

Citations

22
Co(III) Intermediates in Cobalt-Catalyzed, Bidentate Chelation Assisted C(sp2)-H Functionalizations DOI Creative Commons
Aleksandrs Cizikovs, Liene Grigorjeva

Inorganics, Journal Year: 2023, Volume and Issue: 11(5), P. 194 - 194

Published: April 29, 2023

The C-H bond activation and functionalization is a powerful tool that provides efficient access to various organic molecules. cobalt-catalyzed oxidative has earned enormous interest over the past two decades. Since then, wide diversity of synthetic protocols have been published for C-C, C-Het, C-Hal formation reactions. To gain some insights into reaction mechanism, authors performed series experiments collected evidence. Several groups successfully isolated reactive Co(III) intermediates elucidate mechanism. In this review, we will summarize information concerning synthesized in cobalt-catalyzed, bidentate chelation assisted their reactivity based on current knowledge about general

Language: Английский

Citations

11
Synthesis of N3-substituted-quinazoline-2,4(1H,3H)-diones via CuI-catalyzed coupling of 2-iodobenzamides with potassium cyanate DOI Creative Commons
Ali Nasirpour,

Zarrin Ghasemi,

Seyed Abolfazl Hosseini–Yazdi

et al.

Results in Chemistry, Journal Year: 2025, Volume and Issue: unknown, P. 102204 - 102204

Published: March 1, 2025

Language: Английский

Citations

0
C−H Activation of Benzamides Using Biogenically Synthesized Pd@CNTs Catalyst under External Ligand Free Condition: Access to Isoquinolones and A DFT Study of Phytochemicals DOI
Rajeev V. Hegde, Rahul Bhondwe,

K. A. Sree Raj

et al.

ChemistrySelect, Journal Year: 2023, Volume and Issue: 8(23)

Published: June 13, 2023

Abstract Environmentally amiable biogenic strategy for in‐situ one‐step synthesis of Pd‐NPs decorated on carbon nanotubes (CNTs) and its synthetic utility C−H activation benzamides to access isoquinolones has been reported the first time. The phytochemicals present in Gliricidia sepium leaves extract was found be serve as a reducing agent reduce Pd (II) (0) subsequently acts stabilizing agent. formation Pd@CNTs confirmed by P ‐XRD, FE‐SEM, EDX ICP‐OES analysis technique with active content 42.82 % w/w. In addition, DFT study were conducted. catalytic activity showcased cost‐effective, step atom economic via N−H bond without aid external ligands. A series isoquinolone derivatives synthesized good excellent yields under air sole oxidant. catalyst recyclability mechanistic experiments deliberated. unveiled superior high durability towards hydrogen evolution reaction acidic media. attains current density 10 mA/cm2 at an over potential 127 mV small Tafel slope 41 mV/dec.

Language: Английский

Citations

9